Obsidian Fireheart [Zendikar] Jace exile it at end of

exile it at end of combat

where X is that creature's mana value

then put Vengeful Pharaoh on top of your library

Set: Commander 2018 Type: Enchantment Rarity: Rare Cost: {2}{U} You may have Estrid's Invocation enter the battlefield as a copy of an enchantment you control

discard a card at random

Obsidian Fireheart [Zendikar] Jace exile it at end ofSet: Zendikar Type: Creature Elemental Rarity: Mythic Cost: {1}{R}{R}{R} {1}{R}{R}: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after Obsidian Fireheart has left the battlefield.)